Systematic Review of Surgical Interventions for Inferior Turbinate Hypertrophy

Abstract

Background

Various surgical interventions exist for treatment of inferior turbinate hypertrophy (ITH). Though mucosal-sparing techniques are generally preferred, there is lack of consensus on the optimal technique.

Objective

This systematic review sought to evaluate the evidence for treatment of bilateral nasal obstruction via inferior turbinate reduction (ITR) and provide a meta-analysis of expected results of various techniques.

Methods

PubMed, Scopus, Cochrane Library databases were queried to include articles describing surgical treatment for ITH. Exclusion criteria were concurrent nasal procedures or non-mucosal ITH. Primary outcomes included visual analog scale for nasal obstruction, nasal cavity volume by acoustic rhinometry, and resistance by anterior rhinomanometry. Subgroup analyses assessed outcomes by rhinitis diagnosis and length of follow-up, and radiofrequency ablation (RFA) was compared to microdebrider-assisted turbinoplasty (MAIT).

Results

A total of 1870 studies were identified with 62 meeting inclusion criteria. Reported techniques included turbinectomy, submucosal resection, RFA, MAIT, laser, or electrocautery.

All techniques demonstrated significant improvements in nasal obstruction using the visual analog scale. Further comprehensive physiologic data for RFA, MAIT, and laser was available and, compared to baseline, these techniques resulted in significant improvements in nasal resistance, nasal cavity volume, and nasal airflow. Six studies directly compared RFA and MAIT with statistically similar results on VAS, nasal cavity volume, and resistance with median follow-up time of 3.5 months. Assessment of VAS congestion over time reveals peak benefit is achieved between 3–6 months follow-up.

Conclusions

All reviewed ITR techniques improve patient-reported nasal obstruction. RFA and MAIT provide comparable improvements in patient-reported and physiologic nasal airflow outcomes and while benefits are sustained long-term, the peak benefit for both techniques appears to be achieved within the first year.

Keywords

allergic rhinitis non-allergic rhinitis visual analog scale inferior turbinate reduction inferior turbinate hypertrophy radiofrequency ablation laser microdebrider-assisted turbinoplasty submucosal resection turbinectomy

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